•Wearable blanket for safe sleep •#1 choice of hospitals nationwide •Sleeveless design to prevent overheating •Allows for easy diaper changes •Premium fabric; no added chemicals •0 – 24 Months •Use over regular sleepwear HALO created the first SleepSack over 20 years ago with both safety and comfort in mind. The #1 choice of 1,700 hospitals nationwide, our original wearable blanket with sleeveless design nestles baby like a soft blanket without the risk of sleep-related dangers. Signature "Back is Best" embroidery is a gentle reminder to place baby in the recommended sleep position. Features an inverted zipper for easy diaper changes and a roomy sack design that's recognized by the International Hip Dysplasia Institute as promoting healthy hip development.TOG: 1.5 Ideal for temperatures 68 - 72° F Sizing: Infant Material: 100% Polyester Fit: Easy Fit Garment Style: Sleeveless, Front Full Length Zipper Neckline: V Neck Garment Details: No Pocket Package Quantity: 1 Fabric Weight Type: Midweight Fabric TOG Rating: 1.5 TOG Care and Cleaning: Machine Wash, Tumble Dry